Subnet on ilham.devhttps://ilham.dev/tags/subnet/Recent content in Subnet on ilham.devHugo -- gohugo.ioenSun, 27 Sep 2026 00:00:00 +0700How I plan a small IPv4 subnet without doing binary math in my headhttps://ilham.dev/posts/how-to-plan-a-small-ipv4-subnet/Sun, 27 Sep 2026 00:00:00 +0700https://ilham.dev/posts/how-to-plan-a-small-ipv4-subnet/A subnet is a range of IP addresses. CIDR notation like 192.168.1.0/24 describes the size of that range. The IPv4 Subnet Calculator tool gives me a safe place to test the idea before I put it into a script, server, or production workflow.